fix(shipyard-controller): Avoid endless loop (#5096)

[bacherfl]

Closes #5096

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #5124 (cd84038) into release-0.9.0 (acdbd48) will decrease coverage by 0.48%.
The diff coverage is 70.00%.

❗ Current head cd84038 differs from pull request most recent head 8ce990f. Consider uploading reports for the commit 8ce990f to get more accurate results

@@                Coverage Diff                @@
##           release-0.9.0    #5124      +/-   ##
=================================================
- Coverage          52.26%   51.78%   -0.49%     
=================================================
  Files                299      293       -6     
  Lines              17582    17312     -270     
  Branches             692      692              
=================================================
- Hits                9190     8965     -225     
+ Misses              7531     7494      -37     
+ Partials             861      853       -8     

Impacted Files	Coverage Δ
shipyard-controller/handler/sequence_migrator.go	72.72% <70.00%> (+0.16%)	⬆️
secret-service/pkg/backend/registry.go
secret-service/pkg/common/utils.go
secret-service/pkg/repository/scopes.go
secret-service/pkg/handler/common.go
secret-service/pkg/handler/secrethandler.go
secret-service/pkg/backend/secretbackend_k8s.go

[github-actions]

Docker Build Report

• Pushed keptn/shipyard-controller:0.8.8-dev-PR-5124.202109010927 and keptn/shipyard-controller:0.8.8-dev-PR-5124 (Source: shipyard-controller/)